[P13n] Quick fix on sign-in promo metrics

Fix the typo and incomplete change of sign-in promo metrics, as a
quick follow up for crrev/c/4104251.

(cherry picked from commit b7531ec)

Bug: 1382615
Change-Id: I8d881774a50fbee18578aff3e9938ed42fe4c25d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4117566
Reviewed-by: Justin DeWitt <dewittj@chromium.org>
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1085698}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4117520
Cr-Commit-Position: refs/branch-heads/5481@{#137}
Cr-Branched-From: 130f3e4-refs/heads/main@{#1084008}

tools/metrics/actions/actions.xml

@@ -6772,7 +6772,7 @@ should be able to be added at any place in this file.
   <owner>tinazwang@chromium.org</owner>
   <owner>feed@chromium.org</owner>
   <description>
-    The user has clickws the 'Cancel' button on the Feed sign-in promo UI.
+    The user has clicked the 'Cancel' button on the Feed sign-in promo UI.
   </description>
 </action>
 
@@ -6781,7 +6781,7 @@ should be able to be added at any place in this file.
   <owner>tinazwang@chromium.org</owner>
   <owner>feed@chromium.org</owner>
   <description>
-    The user has clickws the 'Continue' button on the Feed sign-in promo UI.
+    The user has clicked the 'Continue' button on the Feed sign-in promo UI.
   </description>
 </action>
 

tools/metrics/histograms/enums.xml

@@ -42351,10 +42351,9 @@ Called by update_permissions_policy_enum.py.-->
   <int value="63"
       label="User requested to refresh the Following feed using the
              post-follow snackbar 'refresh' action."/>
-  <int value="64" label="User action caused a sign-in promo UI to be shown."/>
-  <int value="65"
+  <int value="64"
       label="User tapped on the 'Continue' of the sign-in promo UI."/>
-  <int value="66" label="User tapped on the 'Cancel' of the sign-in promo UI."/>
+  <int value="65" label="User tapped on the 'Cancel' of the sign-in promo UI."/>
 </enum>
 
 <enum name="FeedUserCommandType">